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Why The Local Disk Starts With C, D Instead Of A and B

Here is the Reason:-

why local disk starts from c is one of the most asked questions.Many of you had this doubt once in your life. But we don’t care about that. We actually think that why should I care about these.

But many of you maybe need to know that why it is so? Here in this article, I will tell you that why the local Disk starts with C and D instead of A and B. Keep reading.

How many of you know that the computer local disk managed through an algorithm. The algorithm well defined and it has made some strict decisions for the disk management.

why local disk starts from c

Actually, The operating system allocates the drive letter A for “First floppy drive ” and letter B for “Second floppy drive”.It doesn’t matter whether your system has a floppy drive or not, but by default, these two letters are allocated for floppy drives.

Now let me tell you what is a floppy disk. Floppy disks are the type of storage devices which is perfectly designed for the backup disks which contain ISO files and essential drivers. And the ultimate backup and other backups useful when you factory reset your PC.

Consider this schema adapted from Wikipedia for more details:-
  • A: — Floppy Disks and possibly other types of disk drives, if present.
  • B: — Reserved for a second floppy drive, if present.
  • C: — First hard disk partition.
  • D: to Z: — Other disk partitions. The letter D: or E: are often assigned to CD-ROM or DVD drives, but not always. Drives can be partitioned, thereby creating more drive letters.

why local disk starts from c

  • F: — First network drive if using Novell NetWare.
  • H: — “Home” directory on a network server.
  • Q: — Microsoft Office Click-to-Run virtualization.
  • Z: — First network drive if using Banyan VINES, and the initial drive letter assignment for the virtual disk network in the DOSBox x86 emulator. It is also the first letter selected by Windows for network resources, as it automatically selects from Z: downwards.

In conclusion, I think you have about these. Thanks for reading. COnsider this article too!